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Physical & Chemical properties

Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
11th October, 2011
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
GLP compliance:
not specified
Type of method:
rotational viscometer (dynamic)
Specific details on test material used for the study:
Batch # 7703200
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
220
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
97

 System check (20 °C)    Spindle no. 3/63
 Date: 2016 -03 -24  value  unit
 Rotation speed  30  rpm
 Reference oil, certified  3180  mPa*s
 Reference oil, measurement  3120  mPa.s

 Sample measurement (20 °C)    Spindle no. 61
 Rotation speed  Torque  Viscosity
 (rpm)  (%)  (mPa*s)
 4  15  223
 5  18  217
 10  37  224
 20  74  221
 20  74  221
 10  36  219
 5  18  219
 4  16

 224

 Dynamic viscosity (average)

 

 221

 Sample measurement (40 °C)

 

 Spindle no. 00

 Rotation speed

 Torque

 Viscosity

 (rpm)

 (%)

 (mPa*s)

 1

 17

 101.4

 2

 33

 97.7

 2.5

 40

 96.5

 4

 64

 95.9

 5

79

 95.5

 5

79

 95.3

4

 64

 95.9

2.5

 40

 96.9

 2

 33

 97.0

 1  17  99.5
 Dynamic viscosity (average)    97.2
Conclusions:
The dynamic viscosity of the test item was determined to be 220 mPa*s at 20 °C and 97 mPa*s at 40 °C.
Executive summary:

The dynamic viscosity of the test item was determined using OECD TG 114 (rotating disk method). The dynamic viscosity of the test item was determined to be 220 mPa*s at 20 °C and 97 mPa*s at 40 °C.

Description of key information

The dynamic viscosity of the test item was determined to be 220 mPa*s at 20°C and 97 mPa*s at 40°C.

Key value for chemical safety assessment

Viscosity:
220 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

The dynamic viscosity of the test item was determined using OECD TG 114 (rotating disk method). The dynamic viscosity of the test item was determined to be 220 mPa*s at 20°C and 97 mPa*s at 40°C.